HAMWORTHY HEATING LTD
8
MILBORNE
500001130/J
4.0 SITE LOCATION AND PREPARATION
4.1 Site Location.
Wall mounting
•
The wall must be flat, solid and capable of supporting the weight of the boiler
•
The boiler is heavy. Care must be taken when lifting the boiler
Floorstanding
•
The floor or plinth for the boilers, frame and pipework kit must be both flat and level to
ensure correct alignment of fittings and connections.
•
The floor or plinth must be sufficiently strong to support the weight of both the boilers
and pipework kit where used.
•
The floor or plinth must be fireproof in accordance with BS 6644.
•
The plantroom must have sufficient space for installation of boilers, pipework, pumps
controls, flues ventilation, access and servicing and other items of plant.
4.2 Gas Supply.
•
Gas supply pipes must be in accordance with BS 6891 or IGE/UP/2
•
Gas supply connections to the boiler must not be smaller than the connection on the
boiler - G
3/4
”
•
Gas installation must be soundness tested to BS 6891 or IGE/UP/1 & IGE/UP/1A.
•
Gas installation must be purged to BS 6891 or IGE/UP/1 & IGE/UP/1A.
•
Inlet gas pressure to boiler measured at the gas valve, nominal 20mbar (minimum
17.5mbar) dynamic - refer to Appendix A
•
Boiler house gas isolation valve must be clearly identified and installed close to the
entrance / exit.
Figure 4.2 - Gas Connection Point
G 3/4”
